We suggest you use the new razor tutorial to learn how to do these things. This old tutorial still demos some edge cases not described there, which is why we still provide it.
This app helps you learn how to use CSV data from external sources - for example from nightly syncs.
v. 00.01.00 GUID: 11b87e22-579d-4882-8155-7de08c03a759
If this is the first time you've seen DNN-Apps and would like to try one - just install 2sxc first, then install this app inside it.